Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual Laid down tem um navio destemido?
 ###Tabelas: CREATE TABLE colles (colles_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Latitude VARCHAR, Longitude VARCHAR, Diameter (km) INT, Year named INT) CREATE TABLE f_class (f_class_id AUTO_INCREMENT PRIMARY KEY, Ship VARCHAR, Pennant number VARCHAR, Laid down VARCHAR, Launched VARCHAR, Commissioned VARCHAR) CREATE TABLE bi-_tl-_and_hg-based_high-__c__superconductors (bi-_tl-_and_hg-based_high-__c__superconductors_id AUTO_INCREMENT PRIMARY KEY, Formula VARCHAR, Notation VARCHAR, T c (K) INT, No. of Cu-O planes in unit cell INT, Crystal structure VARCHAR) CREATE TABLE national_softball_congress_1947_to_1957 (national_softball_congress_1947_to_1957_id AUTO_INCREMENT PRIMARY KEY, Year INT, 1st Place Team VARCHAR, 2nd Place Team VARCHAR, 3rd Place Team VARCHAR, 4th Place Team VARCHAR, Host Location VARCHAR) CREATE TABLE allowable_tackle_types (allowable_tackle_types_id AUTO_INCREMENT PRIMARY KEY, sliding tackle VARCHAR, spear tackle VARCHAR, dump tackle VARCHAR, body tackle VARCHAR, ankle tap VARCHAR, diving tackle VARCHAR, bumping/blocking VARCHAR, shoulder charge VARCHAR, steal/intercept ball VARCHAR, Chicken wing VARCHAR)  
SELECT Laid down FROM f_class WHERE Ship = fearless